Home / 1,150,708.47-1,587,998.57-641,356.17

Finding the Fourth Proportional to 1,150,708.47, 1,587,998.57 and 641,356.17

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Solution

The fourth proportional to 1,150,708.47, 1,587,998.57 and 641,356.17 is: 885,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,708.47 : 1,587,998.57 = 641,356.17 : x
  2. Step 2: Convert to fraction form
    1,150,708.47/1,587,998.57 = 641,356.17/x
  3. Step 3: Cross multiply
    1,150,708.47x = 1,587,998.57 × 641,356.17
  4. Step 4: Simplify right side
    1,150,708.47x = 1,018,472,677,613.90
  5. Step 5: Solve for x
    x = 1,018,472,677,613.90/1,150,708.47
  6. Step 6: Final answer
    x = 885,083.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.